Tom Welling Clark Kent Actor Michael Rosenbaum Lex Luthor Actor Kristin Kreuk Lana Lang Actor Sam Jones III Pete Ross Actor Allison Mack Chloe Sullivan Actor John Schneider Jonathan Kent Actor Annette O'Toole Martha Kent Actor John Glover Lionel Luthor Actor Patrick Cassidy Henry Small Guest Star Amara Zaragoza Amara Zaragoza Guest Star Gordon Tootoosis Prof. Joseph Willowbrook Guest Star Mitchell Kosterman Sheriff Ethan Miller Guest Star Rob Morton Second Foreman Guest Star Michael Tiernan Dan Hammond Guest Star Alfred Gough Executive Producer Miles Millar Executive Producer Marita Grabiak Director Brian Wayne Peterson Writer Kelly Souders Writer